GMC Yukon 2025 - Special Application Services

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-17942154) - 2025
Service and Maintenance 401
Exterior Lights
•
V
i
sual inspection
Windshield and Wipers
•
Visual inspection
12 Volt Battery
•
Battery visual inspection
•
Battery test results
•
Battery cables and connections
Systems, Fluids, and Visible
Leak Inspection
•
Engine oil
•
Transmission
•
Drive axle
•
Transfer case
•
Engine cooling system
•
Power steering, if equipped
•
Fuel system
•
Windshield washer fluid
Tire Inspection
•
Tire pressure, tread depth, and wear
•
Ro
tation, if applicable
•
Alignment check, optional
•
Reset tire pressure monitor
•
Check tire sealant expiration date,
if equipped
•
Check spare tire, if equipped
Brakes
•
Check brake system
Visible and Functional Inspections
•
Seat belt components
•
Exhaust system
•
Accelerator pedal
•
Passenger compartment air filter,
if equipped
•
Engine air filter
•
Hoses
•
Belts
•
Shocks and struts
•
Steering components
•
Axle boots or driveshaft and u-joints
•
Compartment lift struts, if equipped
•
Fl
oor mats secured, no interference
with pedals
•
Horn
•
Ignition lock, if equipped
•
Starter switch
•
Evaporative control system
Lubricate
•
Chassis components
Special Application Services
•
Severe Commercial Use Vehicles Only:
Lubricate chassis components every
oil change.
•
Have underbody flushing service
performed. See "Underbody Maintenance"
in Exterior Care 3388.